Large and reliable, the TN850 toner cartridge is black with a yield of 8,000 pages. It is a replacement for the OEM Brother TN850, and has a proven track record of producing high-quality printouts in a cost-effective fashion. It allows pages to be printed with crisp text that is clearly defined and gives all the quality one would expect from a top name like Brother. It can be used in the home for reports, graphs and charts as well as finding suitable use in an office setting that requires the capability to print quickly, effectively and daily. These cartridges are crafted to high standards and comply with all regulations so there’s a degree of security when it comes to buying TN850 toner cartridges online. The toner powder adheres to the page to form a smooth finish that is very resistant to water damage, smudging and smearing unlike some inks which can become soluble.